/**
 * Copyright (C) 2013 DaiKit.com - daikit4gxt module (admin@daikit.com)
 *
 *         Project home : http://code.daikit.com/daikit4gxt
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.daikit.daikit4gxt.client.action.base;

import com.daikit.daikit4gxt.client.DkBaseConfiguration;
import com.daikit.daikit4gxt.client.DkBaseMain;
import com.daikit.daikit4gxt.client.action.DkBaseAction;
import com.daikit.daikit4gxt.client.action.DkBaseAsyncCallback;


/**
 * For Standalone application only.<br>
 * Action to be called to get disconnected. Can only be called if DkMain.{@link DkBaseConfiguration#isStandalone()} =
 * true
 * 
 * @author tcaselli
 * @version $Revision$ Last modifier: $Author$ Last commit: $Date$
 */
public class DkBaseSimpleDisconnectAction
{

	/**
	 * Get a new instance of this action
	 * 
	 * @return the action to get disconnected. Can only be called if DkMain.{@link DkBaseConfiguration#isStandalone()} =
	 *         true
	 */
	public static DkBaseAction<Void> get()
	{
		final DkBaseAction<Void> actionDoDisconnect = new DkBaseAction<Void>(DkBaseMain.i18n().action_disconnection_loadingLabel())
		{
			private boolean firstCall = true; // to prevent onBeforeDisconnect(this) to be called many times.

			@Override
			protected void run()
			{
				if (firstCall && !DkBaseMain.controller().onBeforeDisconnect(this))
				{
					DkBaseShowScreenAction.log
							.debug("[BaseSimpleDisconnectAction chain stopped because controller.onBeforeDisconnect(this) returned false.]");
					firstCall = false;
					this.stopChain();
					onSuccess();
				}
				else
				{
					DkBaseMain.controller().baseRpcUser().disconnectWithoutSecurity(new DkBaseAsyncCallback<Void>(this, true)
					{
						@Override
						public void processSuccess(final Void result)
						{
							DkBaseMain.model().setUserLogged(null);
						}
					});
				}
			}
		};
		return actionDoDisconnect;
	}

}
